Add KUBERNETES_VERSION in airship dev tools integration tests

Change-Id: I7c677cca89dd979442c9a0341edc3b184ac96009
diff --git a/jjb/airship/job_airship_integration_test_centos.yml b/jjb/airship/job_airship_integration_test_centos.yml
index 716ee0b..56d77aa 100644
--- a/jjb/airship/job_airship_integration_test_centos.yml
+++ b/jjb/airship/job_airship_integration_test_centos.yml
@@ -73,6 +73,10 @@
         name: TARGET_NODE_MEMORY
         default: 4096
         description: 'RAM size of the target host.'
+    - string:
+        name: KUBERNETES_VERSION
+        default: "v1.22.0"
+        description: 'Kubernetes version'
 
     properties:
     - build-discarder: